What are the three categories of postures? And how would you explain them?
【正确答案】：Inclusive vs noninclusive: Postures that fall into this category involve acts or positions of a group that either include or block out other people.
Face-to-face vs parallel body orientation: This category refers to primarily the postural relationship between two people during a conversation.
Congruence vs incongruence
This contrast refers to whether the two persons imitate or share a similar posture.
【题目解析】：参见教材P412。
掌握“Kinesics or body language”知识点。